Volvo D20 - Page 45

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Group 27 Reconditioning engine
Cylinder head, disassembJy
E. Cylinder head, disassembly
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Clean gaskat surfaces on cylinder head and
cylinder block.
Check for damage and warp
Use a straight edge and feel er gauge.
Replace cylinder head if warp exceeds:
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lengthwise 0.5 mm (0.02 in)
- crosswise
0.2 mm (0.008 in)
E2
Notal Small cracks 0.5 mm (0.02 in) do not warrant
replacement of cylinder head since they do not impair
engine function.
For gasket replacement only see " Cylinder head in-
stallation" on page 55 .
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